A Clearlake Oaks woman has been sentenced for the murder of her ex-boyfriend in July of 2021. Tammy Sue Grogan Robinson was found guilty of shooting and killing her ex-boyfriend, Charles Vernon McClelland of Rohnert Park. Monday, Judge Andrew S. Blum sentenced Robinson to 25 years to life for first-degree murder, plus an additional 25 years to life under an enhancement tied to her use of a firearm in the killing of McClelland.